Home / 3,620.94-4,997.43-2,294.78

Finding the Fourth Proportional to 3,620.94, 4,997.43 and 2,294.78

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Solution

The fourth proportional to 3,620.94, 4,997.43 and 2,294.78 is: 3,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.94 : 4,997.43 = 2,294.78 : x
  2. Step 2: Convert to fraction form
    3,620.94/4,997.43 = 2,294.78/x
  3. Step 3: Cross multiply
    3,620.94x = 4,997.43 × 2,294.78
  4. Step 4: Simplify right side
    3,620.94x = 11,467,977.43
  5. Step 5: Solve for x
    x = 11,467,977.43/3,620.94
  6. Step 6: Final answer
    x = 3,167.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.